.position-r {
    position: relative;
    top: 0;
    left: 0;
}
// flex layout
.d-flex {
    display: flex;
}
.flex-d-c {
    flex-direction: column;
}
.flex-d-r-r {
    flex-direction: row-reverse;
}
.just-a {
    justify-content: space-around;
}
.just-b {
    justify-content: space-between;
}
.just-c {
    justify-content: center;
}
.align-c {
    align-items: center;
}
.align-s {
    align-items: flex-start;
}
.flex-1 {
    flex: 1;
}

// other

.before-table::before {
    content: ' ';
    display: table;
}
.over-h {
    overflow: hidden;
}

.white-nowrap {
    white-space: nowrap;
}

.text-o-e {
    width: 100%;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.text-o-e-2 {
    width: 100%;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    font: inherit;
}

.flex_between {
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    -webkit-justify-content: space-between;
    align-items: center;
    -webkit-align-items: center;
}

.flex_end {
    display: flex;
    display: -webkit-flex;
    justify-content: flex-end;
    -webkit-justify-content: flex-end;
    align-items: center;
    -webkit-align-items: center;
}

.flex_start {
    display: flex;
    display: -webkit-flex;
    justify-content: flex-start;
    -webkit-justify-content: flex-start;
    align-items: center;
    -webkit-align-items: center;
}

.flex_end {
    display: flex;
    display: -webkit-flex;
    justify-content: flex-end;
    -webkit-justify-content: flex-end;
    align-items: center;
    -webkit-align-items: center;
}

.flex_center {
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    -webkit-justify-content: center;
    align-items: center;
    -webkit-align-items: center;
}

.flex_between {
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    -webkit-justify-content: space-between;
    align-items: center;
    -webkit-align-items: center;
}

.flex_around {
    display: flex;
    display: -webkit-flex;
    justify-content: space-around;
    -webkit-justify-content: space-around;
    align-items: center;
    -webkit-align-items: center;
}

.flex_column {
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    -webkit-align-items: center;
}

.flex_column_between {
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    -webkit-align-items: center;
}

.flex_column_center {
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
    justify-content: center;
    -webkit-justify-content: center;
    align-items: center;
    -webkit-align-items: center;
}

.flex_baseline {
    display: flex;
    display: -webkit-flex;
    flex-direction: row;
    justify-content: flex-start;
    -webkit-justify-content: flex-start;
    align-items: flex-start;
    -webkit-align-items: flex-start;
}
